单词	expansion fastener
释义	DictionarySeeexpansion bolt expansion fastener expansion bolt expansion bolts An anchoring device having an expandable socket that swells as a bolt is tightened into it; used in masonry walls for attaching timber, etc.
随便看	unrba unrc unrca unrcc unrd unrdbl unrea' unreachability unreachable unreachable code unreachablely unreachable memory unreachableness un-reachable node unreachably unreached unreachedly unreactive unreactively unread unreadability unreadable unreadableness usajfkswc usajfkswcs

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